• Curiosity
• Endurance and pace
• Longevity
  • People in my family, at least the women, age fairly well.
• Organization
• Self-discipline and somewhat decent habits
  • I thrive within structure.

Economics has taught me that I don't have to be the smartest person in the room just as long as I'm not the dumbest. And even if I were the dumbest, there are still lots of other rooms.